If repair fails, the best way to get a clean copy of the file is to uninstall and reinstall Office through your Microsoft Account portal Check for Updates:

Searching for a "free download" of ospprearm.exe can be tricky because it is not a standalone app you typically download. It is a built-in utility that comes with Microsoft Office. Microsoft Learn

Here is the "helpful story" on what this file does, how to find it, and what to do if it is missing. What is ospprearm.exe? This file is the Office Software Protection Platform Rearm

tool. Its main job is to reset the "grace period" (timer) for Microsoft Office trial installations. IT professionals use it when building computer images to ensure that when a new user starts Office for the first time, their trial period starts from day one. Microsoft Learn Where to Find It (No Download Needed)

Before looking for a download, check if it is already on your computer. It is usually tucked away in one of these folders: 64-bit Office: C:\Program Files\Microsoft Office\Office16 32-bit Office: C:\Program Files (x86)\Microsoft Office\Office16 Common Files:

If you are trying to use this tool to extend a trial indefinitely, be aware that Microsoft typically only allows you to "rearm" Office a limited number of times (usually 5). If you need a long-term free solution, you can use Microsoft 365 for the Web for free in your browser. specific error code you're seeing when trying to run this file?

C:\Program Files\Common Files\microsoft shared\OfficeSoftwareProtectionPlatform